Beenhakker, H. L. (1987). Rural transport services: A guide to their planning and implementation. Westview Press.
Lua i Stíl Chicago (17ú heag.)Beenhakker, Henri L. Rural Transport Services: A Guide to Their Planning and Implementation. Boulder, Colo: Westview Press, 1987.
Lua MLA (9ú heag.)Beenhakker, Henri L. Rural Transport Services: A Guide to Their Planning and Implementation. Westview Press, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.